6402784234 has 24 divisors (see below), whose sum is σ = 12187862208. Its totient is φ = 2494590840.

The previous prime is 6402784211. The next prime is 6402784261. The reversal of 6402784234 is 4324872046.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2968674 + ... + 2970829.

It is an arithmetic number, because the mean of its divisors is an integer number (507827592).

Almost surely, 2^6402784234 is an apocalyptic number.

6402784234 is a deficient number, since it is larger than the sum of its proper divisors (5785077974).

6402784234 is a wasteful number, since it uses less digits than its factorization.

6402784234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939530 (or 5939523 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The square root of 6402784234 is about 80017.3995703434. The cubic root of 6402784234 is about 1856.9047291923.

The spelling of 6402784234 in words is "six billion, four hundred two million, seven hundred eighty-four thousand, two hundred thirty-four".